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» Efficient Aggregation over Objects with Extent
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DEBU
2002
161views more  DEBU 2002»
13 years 10 months ago
Indexing and Retrieval of Historical Aggregate Information about Moving Objects
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
Dimitris Papadias, Yufei Tao, Jun Zhang, Nikos Mam...
SSDBM
2009
IEEE
174views Database» more  SSDBM 2009»
14 years 5 months ago
Optimization and Execution of Complex Scientific Queries over Uncorrelated Experimental Data
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
Ruslan Fomkin, Tore Risch
PODS
2001
ACM
127views Database» more  PODS 2001»
14 years 11 months ago
Optimal Aggregation Algorithms for Middleware
Assume that each object in a database has m grades, or scores, one for each of m attributes. For example, an object can have a color grade, that tells how red it is, and a shape g...
Ronald Fagin, Amnon Lotem, Moni Naor
IPCCC
2005
IEEE
14 years 4 months ago
SECK: survivable and efficient clustered keying for wireless sensor networks
A wireless sensor network (WSN) typically consists of a large number of small sensor nodes and one or more highend control and data aggregation nodes. Sensor nodes have limited co...
Michael Chorzempa, Jung Min Park, Mohamed Eltoweis...
ICDE
2005
IEEE
160views Database» more  ICDE 2005»
15 years 6 days ago
Evaluation of Spatio-Temporal Predicates on Moving Objects
Moving objects databases managing spatial objects with continuously changing position and extent over time have recently found large interest in the database community. Queries ab...
Markus Schneider